/*  mbed Microcontroller Library
    Copyright (c) 2006-2013 ARM Limited

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/
#ifndef MBED_STREAM_H
#define MBED_STREAM_H

#include "platform.h"
#include "FileLike.h"

namespace mbed {

    extern void mbed_set_unbuffered_stream(FILE* _file);
    extern int mbed_getc(FILE* _file);
    extern char* mbed_gets(char* s, int size, FILE* _file);

    class Stream : public FileLike {

      public:
        Stream(const char* name = NULL);
        virtual ~Stream();

        int putc(int c);
        int puts(const char* s);
        int getc();
        char* gets(char* s, int size);
        int printf(const char* format, ...);
        int scanf(const char* format, ...);

        operator std::FILE* () {
            return _file;
        }

      protected:
        virtual int close();
        virtual ssize_t write(const void* buffer, size_t length);
        virtual ssize_t read(void* buffer, size_t length);
        virtual off_t lseek(off_t offset, int whence);
        virtual int isatty();
        virtual int fsync();
        virtual off_t flen();

        virtual int _putc(int c) = 0;
        virtual int _getc() = 0;

        std::FILE* _file;

        /* disallow copy constructor and assignment operators */
      private:
        Stream(const Stream&);
        Stream& operator = (const Stream&);
    };

} // namespace mbed

#endif
